Vaikom Threshold Days by Year (IN010040500)

5 fixed thresholds counted per year at Vaikom (IN010040500): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Vaikom Thresholds

Vaikom: days with 10 mm (0.39 in) or more of precipitation in 65 years, most in 1919 with 124.
Vaikom: days with 25 mm (0.98 in) or more of precipitation in 65 years, most in 1919 with 74.
Vaikom: days with 50 mm (1.97 in) or more of precipitation in 65 years, most in 1916 with 32.
Vaikom: days with 100 mm (3.94 in) or more of precipitation in 52 years, most in 1915 with 9.
5 fixed thresholds have at least one qualifying day at Vaikom.

Days with 10 mm (0.39 in) or more of precipitation

65 years with a qualifying day

Days per year at Vaikom with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 124 in 1919.

Days with 10 mm (0.39 in) or more of precipitation per year at Vaikom
Year	Days	Decade average
1901	58	74.7
1902	84	74.7
1903	75	74.7
1904	69	74.7
1905	70	74.7
1906	73	74.7
1907	94	74.7
1908	72	74.7
1909	77	74.7
1910	82	79.3
1911	52	79.3
1912	30	79.3
1913	24	79.3
1914	102	79.3
1915	110	79.3
1916	102	79.3
1917	88	79.3
1918	79	79.3
1919	124	79.3
1920	99	89.6
1921	86	89.6
1922	109	89.6
1923	97	89.6
1924	98	89.6
1925	70	89.6
1926	86	89.6
1927	86	89.6
1928	82	89.6
1929	83	89.6
1930	89	79.4
1931	84	79.4
1932	101	79.4
1933	101	79.4
1934	74	79.4
1935	58	79.4
1936	55	79.4
1937	73	79.4
1938	82	79.4
1939	77	79.4
1940	98	89.6
1941	91	89.6
1942	92	89.6
1943	106	89.6
1944	67	89.6
1945	78	89.6
1946	94	89.6
1947	103	89.6
1948	80	89.6
1949	87	89.6
1950	97	81.9
1951	82	81.9
1952	73	81.9
1953	67	81.9
1954	86	81.9
1955	93	81.9
1956	90	81.9
1957	78	81.9
1958	77	81.9
1959	76	81.9
1960	104	84.2
1961	96	84.2
1962	84	84.2
1963	79	84.2
1964	74	84.2
1965	68	84.2

For each year, a bar from the first to the last day at Vaikom meeting 10 mm (0.39 in).

First to last qualifying date each year at Vaikom
Year	First date	Last date
1901	1901-01-12	1901-11-23
1902	1902-01-05	1902-12-25
1903	1903-02-14	1903-12-05
1904	1904-03-11	1904-10-27
1905	1905-04-18	1905-11-04
1906	1906-01-17	1906-12-20
1907	1907-04-08	1907-11-11
1908	1908-02-06	1908-11-06
1909	1909-01-01	1909-12-11
1910	1910-04-06	1910-11-25
1911	1911-05-24	1911-12-26
1912	1912-04-20	1912-10-24
1913	1913-07-03	1913-12-07
1914	1914-05-07	1914-12-24
1915	1915-01-18	1915-12-26
1916	1916-03-12	1916-12-07
1917	1917-01-03	1917-12-08
1918	1918-01-14	1918-12-18
1919	1919-01-13	1919-12-29
1920	1920-01-02	1920-12-20
1921	1921-01-21	1921-11-21
1922	1922-01-02	1922-11-30
1923	1923-03-15	1923-12-17
1924	1924-01-05	1924-12-08
1925	1925-03-15	1925-12-10
1926	1926-01-27	1926-12-19
1927	1927-01-07	1927-11-10
1928	1928-01-27	1928-12-01
1929	1929-02-05	1929-11-24
1930	1930-03-20	1930-12-29
1931	1931-03-17	1931-09-27
1932	1932-03-01	1932-11-28
1933	1933-01-21	1933-11-10
1934	1934-01-08	1934-11-30
1935	1935-01-17	1935-12-28
1936	1936-04-01	1936-11-19
1937	1937-04-17	1937-12-23
1938	1938-02-04	1938-12-27
1939	1939-03-18	1939-12-04
1940	1940-04-22	1940-12-10
1941	1941-01-25	1941-12-14
1942	1942-01-16	1942-12-16
1943	1943-01-03	1943-12-07
1944	1944-02-02	1944-11-28
1945	1945-02-27	1945-11-16
1946	1946-03-16	1946-12-09
1947	1947-01-05	1947-12-22
1948	1948-03-18	1948-12-21
1949	1949-04-02	1949-11-19
1950	1950-02-20	1950-11-25
1951	1951-03-08	1951-12-01
1952	1952-02-08	1952-12-13
1953	1953-01-26	1953-12-27
1954	1954-03-16	1954-12-26
1955	1955-02-19	1955-11-26
1956	1956-02-08	1956-11-23
1957	1957-04-20	1957-12-30
1958	1958-01-01	1958-12-05
1959	1959-02-05	1959-12-11
1960	1960-02-28	1960-12-05
1961	1961-02-11	1961-12-11
1962	1962-01-26	1962-12-04
1963	1963-02-24	1963-12-09
1964	1964-03-29	1964-11-22
1965	1965-03-30	1965-12-26

Every Fixed Threshold

Fixed thresholds at Vaikom
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	65	124	1919	68
25 mm (0.98 in): Days with 25 mm or more rain	65	74	1919	21
50 mm (1.97 in): Days with 50 mm or more rain	65	32	1916	6
100 mm (3.94 in): Days with 100 mm or more rain	52	9	1915	1
200 mm (7.87 in): Days with 200 mm or more rain	2	2	1962	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1901.

Download the Data

Data for Vaikom threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Vaikom Threshold Days by Year (IN010040500)

Key Facts for Vaikom Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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